EP2916623B1 - Circuit d'attaque et procédé d'attaque pour appareil d'éclairage à diodes électroluminescentes - Google Patents

Circuit d'attaque et procédé d'attaque pour appareil d'éclairage à diodes électroluminescentes Download PDF

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Publication number
EP2916623B1
EP2916623B1 EP13882233.3A EP13882233A EP2916623B1 EP 2916623 B1 EP2916623 B1 EP 2916623B1 EP 13882233 A EP13882233 A EP 13882233A EP 2916623 B1 EP2916623 B1 EP 2916623B1
Authority
EP
European Patent Office
Prior art keywords
voltage
unit
control
signal
lighting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP13882233.3A
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German (de)
English (en)
Other versions
EP2916623A4 (fr
EP2916623A1 (fr
Inventor
Yehua Wan
Jinxiang Shen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shenghui Lighting Co Ltd
Original Assignee
Zhejiang Shenghui Lighting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Shenghui Lighting Co Ltd filed Critical Zhejiang Shenghui Lighting Co Ltd
Publication of EP2916623A1 publication Critical patent/EP2916623A1/fr
Publication of EP2916623A4 publication Critical patent/EP2916623A4/fr
Application granted granted Critical
Publication of EP2916623B1 publication Critical patent/EP2916623B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology

Definitions

  • the present disclosure relates to the field of LED (light emitting diode) lighting technology and, more particularly, relates to a driver circuit and a driving method of an LED lighting device.
  • LED lamps have been widely used in various areas for public, commercial, and indoor lighting. LED lighting may provide advantages such as energy conservation, environmental protection, controllable lighting, solid state lighting, and long operational lifetime.
  • LED lamps may have lamp-head structures generally-designed same as for incandescent lamps, energy saving lamps, and other conventional lamps. Presumably, LED lamps may be used to directly replace other conventional lamps by an easy installation without changing original structures of other conventional lamp systems.
  • the dimming feature of the LED lamps may not be applied along. This is because those lamps may not include any dimmers to implement the dimming feature. Adding a dimmer in the lighting systems can increase the cost and require additional and complicated installation.
  • US 2012/0056560 suggests to replace straight tube lamps by LED-lamps.
  • the LEDs are driven by an electronic ballast being connected to an AC-power source.
  • the ballast comprises a rectifier.
  • the rectified voltage is provided to a boost converter.
  • the boost converter supplies a buck converter, and the latter the LEDs.
  • a controller measures the voltage across the LEDs and controls the output voltage of the boost converted such that the current through the LEDs remains constant.
  • US 2012/004899 A1 suggests an electronic ballast for discharge lamps.
  • a bus voltage is controlled to different magnitudes during different operating modes of the ballast.
  • the ballast comprises a control circuit being coupled a power converter for adjusting the magnitude of the bus voltage to a first magnitude when the lamp is off, to a second magnitude when preheating filaments of the lamp and to a third magnitude when the lamp is on.
  • the present disclosure provides a driver circuit and a driving method of an LED lighting device.
  • the disclosed driver circuit and LED lighting device can be used to directly replace conventional lighting sources without changing devices and layouts of conventional lighting sources.
  • the disclosed driver circuit and LED lighting device can be easy to install, and compatible with any dimmer(s) and transformer(s).
  • the above identified problems are solved by the driver circuit for an LED lighting device as defined by claim 1 and by the driving method for an LED lighting device as defined by claim 2.
  • One aspect or embodiment of present disclosure includes: a driver circuit of an LED lighting device.
  • the driver circuit can include an AC power supply, a dimmer, a transformer, and a dimming control circuit.
  • the dimming control circuit includes a filtering unit configured to filter a voltage signal from the transformer and to output the voltage signal after filtering.
  • the dimming control circuit also includes a rectifying unit configured to receive the voltage signal from the filtering unit and to rectify the voltage signal into a DC signal to output.
  • a boost converter unit is configured to receive the DC signal from the rectifying unit to boost the DC signal to a boosted voltage according to a required DC voltage.
  • a voltage feedback control circuit unit is configured to control the boosted voltage from the boost converter unit.
  • a buck converter unit is configured to convert the boosted voltage into a voltage and a current required by the LED lighting device.
  • the dimming control circuit further includes a control-signal conversion unit.
  • the control-signal conversion unit is connected to the boost converter unit, the voltage feedback control circuit unit, and the buck converter unit, respectively.
  • An amount of the current of the LED lighting device is related to a dimming position of the dimmer and related to a voltage corresponding to the dimming position at a point P1.
  • the control-signal conversion unit is configured to automatically adjust an amount of a current required by the buck converter unit, according to the voltage corresponding to the point PI after boosted by the boost converter unit.
  • the dimming control circuit further includes an LED cathode-voltage detecting unit, configured to detect a cathode voltage of the LED lighting device and to output a voltage signal corresponding to the detected cathode voltage.
  • the dimming control circuit further includes a current-input control unit, configured to receive the voltage signal from the LED cathode-voltage detecting unit and also to control an amount of a current from the rectifying unit to increase smoothness of the dimming control process.
  • Another aspect or embodiment of present disclosure includes a driving method for an LED lighting device.
  • an LED lighting device is powered on.
  • a control-signal conversion unit When a dimmer performs a dimming control process to the LED lighting device, a control-signal conversion unit firstly samples a voltage corresponding to a point PI after being boosted by a boost converter unit to provide a sampled voltage signal.
  • the control-signal conversion unit then converts the sampled voltage signal into an analog control-voltage signal acceptable by a buck converter unit.
  • the buck converter unit After receiving the analog control-voltage signal, the buck converter unit controls an amount of a current of the LED lighting device.
  • an LED cathode-voltage detecting unit detects a cathode voltage of the LED lighting device and sends a voltage signal corresponding to the cathode voltage to a current-input control unit.
  • the current-input control unit controls an amount of a current as an input current for the LED lighting device to increase smoothness of the dimming control process.
  • the disclosed driver circuit and driving method of the LED lighting device do not require change of devices and layouts of conventional LED lamps.
  • the resultant LED lighting devices can be directly used to replace conventional lighting sources (e.g., incandescent lamps and/or halogen lamps).
  • the resultant LED lighting devices can be easy to install, and compatible with dimmer and transformer.
  • the LED lighting device can be dimmed by a dimmer within a desired, large range.
  • compatibility with electronic transformers can be enhanced.
  • a dimmer can define a dimming position at point P1.
  • the control-signal conversion unit is introduced to automatically adjust a voltage signal at point PI into an amount of a current required by the buck converter unit, to dynamically balance an input power (i.e., output power from the transformer) and an output power (i.e., power of the LED lighting device). In this manner, flashing or dimming failure phenomena of the LED lighting device do not occur.
  • FIG. 1 is a schematic illustrating an exemplary driver circuit for an LED lighting device consistent with various disclosed embodiments.
  • the disclosed driver circuit of an LED lighting device can be a driver circuit simultaneously compatible with an electronic induction transformer and a phase-cutting dimmer.
  • an exemplary driver circuit of the LED lighting device includes: an AC power supply 9, a dimmer 10, a transformer 11, and a dimming control circuit 12.
  • the AC power supply 9, the dimmer 10, and the transformer 11 can include known control structure.
  • the inventive dimming control circuit 12 in the LED driver circuit includes a filtering unit 1, a rectifying unit 2, a boost converter unit 3, a voltage feedback control circuit unit 4, a control-signal conversion unit 5, a buck converter unit 6, an LED cathode-voltage detecting unit 7, and a current-input control unit 8.
  • the filtering unit 1 can filter a voltage signal outputted from the transformer 11 and output the voltage signal after filtering to the rectifying unit 2 to rectify the voltage signal into a DC signal to output to the boost converter unit 3.
  • the boost converter unit 3 can boost the DC signal into a boosted voltage according to a DC voltage that is required.
  • the boosted voltage boosted by the boost converter unit can be controlled by the voltage feedback control circuit unit 4.
  • the buck converter unit 6 can convert the boosted voltage into a voltage and a current required by the LED lighting device.
  • the disclosed dimming control circuit 12 can be used to implement a dimming control process.
  • a dimming position can be sampled at point PI as shown in FIG. 1 .
  • the control-signal conversion unit 5 can sample a voltage corresponding to the point PI after being boosted by the boost converter unit 3 to provide a sampled voltage signal.
  • the sampled voltage signal can be converted, by the control-signal conversion unit 5, into an analog control-voltage signal acceptable by the buck converter unit 6.
  • the analog control-voltage signal can also be referred to as an analog dimming signal.
  • the buck converter unit 6 can control an amount of a current of the LED lighting device.
  • the amount of the current of the LED lighting device can be related to the dimming position at point PI and the voltage at point P1.
  • the control-signal conversion unit 5 can automatically adjust an amount of a current required by the buck converter unit 6 to dynamically balance an input power (i.e., output power from the transformer) and an output power (i.e., power of the LED lighting device), such that flashing or dimming failure phenomena of the LED lighting device do not occur.
  • control-signal conversion unit can include a filtering process circuit and/or an analog operational amplifier.
  • the control-signal conversion unit detects the voltage at the point P1
  • the voltage can be internally processed by the filtering process circuit of the control-signal conversion unit.
  • the resultant sampled voltage signal can be converted into clean analog control-voltage signal by removing high-frequency interference and low-frequency disturbance. Such process can eliminate fluctuations in the output current of the LED lighting device, to avoid flicker, and to stabilize dimming signal.
  • the analog control-voltage signal can be transmitted to the buck converter unit.
  • Such analog control-voltage signal can directly alter a reference voltage value of the output current.
  • the output current can change accordingly. Therefore, when the dimmer is turned or rotated, the voltage of point PI can change. Then, via the control-signal conversion unit, corresponding analog dimming signal can be outputted to the buck control unit to alter an amount of current of the buck control unit outputted to the LED lighting device.
  • the LED cathode-voltage detecting unit 7 can be configured to detect a cathode voltage of the LED lighting device and to output a voltage signal corresponding to the cathode voltage to the current-input control unit 8.
  • the current-input control unit 8 can be connected to the rectifying unit 2 to control a current outputted from the rectifying unit 2.
  • the current-input control unit 8 can then alter amount of the current outputted from the rectifying unit 2 (which is also an input current to the LED lighting device) to further facilitate to increase smoothness of the dimming control process.
  • FIG. 2 is a schematic illustrating an exemplary driving method for an LED lighting device consistent with various disclosed embodiments.
  • the LED lighting device can be powered on.
  • Step 311 when the dimmer 10 performs a dimming control process to the LED lighting device, a voltage corresponding to a point P1 after being boosted by a boost converter unit 3 can be sampled to provide a sampled voltage signal.
  • control-signal conversion unit 5 can convert the sampled voltage signal into an analog control-voltage signal acceptable by the buck converter unit 6.
  • the buck converter unit 6 can control an amount of a current of the LED lighting device.
  • the amount of the current of the LED lighting device can be related to the dimming position at point P1 and the voltage at point P1 of the dimmer 10. According to the voltage corresponding to the point P1, the control-signal conversion unit 5 can automatically adjust an amount of a current required by the buck converter unit 6 to dynamically balance an input power (i.e., output power from the transformer) and an output power (i.e., power of the LED lighting device) to avoid flashing or dimming failure phenomena from occurring to the LED lighting device.
  • an input power i.e., output power from the transformer
  • an output power i.e., power of the LED lighting device
  • the LED cathode-voltage detecting unit 7 can detect a cathode voltage of the LED lighting device and output a voltage signal corresponding to the cathode voltage to the current-input control unit 8.
  • the current-input control unit 8 can be connected to the rectifying unit 2 to control a current from the rectifying unit 2.
  • the current-input control unit 8 can then alter amount of the current from the rectifying unit 2 (which is used as an input current to the LED lighting device) to further facilitate to increase smoothness of the dimming control process.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (2)

  1. Circuit d'attaque pour un dispositif d'éclairage à LED, comprenant :
    une alimentation en courant alternatif (9), un gradateur (10) définissant une position de gradation, un transformateur (11) et un circuit de commande de gradation (12), le circuit de commande de gradation (12) comprenant :
    - une unité de filtrage (1), configurée pour filtrer un signal de tension provenant du transformateur (11) et pour délivrer le signal de tension après filtrage,
    - une unité de redressement (2), configurée pour recevoir un signal de tension de l'unité de filtrage (1) et pour redresser le signal de tension filtré en un signal continu ;
    - une unité convertisseur élévateur (3), configurée pour recevoir et élever le signal de tension continue provenant de l'unité de redressement (2) pour fournir une tension relevée en fonction d'une tension continue requise ;
    - une unité circuit de commande de rétroaction de tension (4), configurée pour commander la tension relevée provenant de l'unité convertisseur élévateur (3) ;
    - une unité convertisseur abaisseur (6), configurée pour convertir la tension relevée en une tension et un courant requis par le dispositif d'éclairage à LED,
    - une unité de conversion de signal de commande (5), connectée à l'unité convertisseur élévateur (3), à l'unité circuit de commande de rétroaction de tension (4) et à l'unité convertisseur abaisseur (6), respectivement,
    dans lequel une quantité de courant du dispositif d'éclairage à LED est liée à la position de gradation du gradateur (10) et à une tension en un point (P1) correspondant à la tension continue après avoir été relevée par l'unité convertisseur élévateur (3),
    dans lequel l'unité de conversion de signal de commande (5) est configurée pour ajuster automatiquement une quantité d'un courant requis par l'unité convertisseur abaisseur (6) en fonction de la tension au point (P1) correspondant à la tension continue après avoir été relevée par l'unité convertisseur élévateur (3),
    caractérisé en ce que
    (i) l'unité de conversion de signal de commande (5) est configurée pour échantillonner la tension au point (P1) correspondant à la tension continue après avoir été relevée par l'unité convertisseur élévateur (3) pour fournir un signal de tension échantillonné,
    (ii) l'unité de conversion de signal de commande (5) inclut un circuit de processus de filtrage et un amplificateur opérationnel analogique et est configurée pour convertir le signal de tension échantillonné, en supprimant les interférences à haute fréquence et les perturbations à basse fréquence, en un signal de tension de commande analogique propre, lequel signal de tension de commande analogique propre est transmis à l'unité convertisseur abaisseur (6).
  2. Procédé d'attaque pour un dispositif d'éclairage à LED, consistant à :
    - mettre sous tension le dispositif d'éclairage à LED ;
    - lorsqu'un gradateur (10) définissant une position de gradation effectue un processus de commande de gradation du dispositif d'éclairage à LED, échantillonner une tension à un point (P1) correspondant à la tension continue après avoir été relevée par l'unité convertisseur élévateur (3), pour fournir un signal de tension échantillonné par une unité de conversion de signal de commande (5) ;
    - convertir le signal de tension échantillonné par l'unité de conversion de signal de commande (5) en un signal de tension de commande analogique acceptable par l'unité convertisseur abaisseur (6) ; et
    - commander un montant d'un courant du dispositif d'éclairage à LED par l'unité convertisseur abaisseur (6) après réception du signal de tension de commande analogique,
    caractérisé en ce qu'il consiste en outre à :
    supprimer du signal de tension échantillonné et converti transmis à l'unité convertisseur abaisseur (6) les interférences à haute fréquence et les perturbations à basse fréquence par un circuit de processus de filtrage et un amplificateur analogique inclus dans l'unité de conversion de signal de commande (5).
EP13882233.3A 2013-04-15 2013-05-31 Circuit d'attaque et procédé d'attaque pour appareil d'éclairage à diodes électroluminescentes Not-in-force EP2916623B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310131926.XA CN103313469B (zh) 2013-04-15 2013-04-15 一种led照明装置的驱动电路及驱动方法
PCT/CN2013/076565 WO2014169507A1 (fr) 2013-04-15 2013-05-31 Circuit d'attaque et procédé d'attaque pour appareil d'éclairage à diodes électroluminescentes

Publications (3)

Publication Number Publication Date
EP2916623A1 EP2916623A1 (fr) 2015-09-09
EP2916623A4 EP2916623A4 (fr) 2016-07-13
EP2916623B1 true EP2916623B1 (fr) 2018-12-26

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EP13882233.3A Not-in-force EP2916623B1 (fr) 2013-04-15 2013-05-31 Circuit d'attaque et procédé d'attaque pour appareil d'éclairage à diodes électroluminescentes

Country Status (4)

Country Link
US (1) US9226352B2 (fr)
EP (1) EP2916623B1 (fr)
CN (1) CN103313469B (fr)
WO (1) WO2014169507A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9084319B2 (en) * 2012-11-02 2015-07-14 Texas Instruments Incorporated Circuits and methods for reducing flicker in an LED light source
CN104066247B (zh) * 2014-06-24 2017-02-01 浙江生辉照明有限公司 一种led照明装置的驱动电路及调光控制方法
CN105580499B (zh) * 2014-06-27 2018-08-28 东莞华明灯具有限公司 一种用于led灯的切相调光电路
JP6613751B2 (ja) * 2015-09-17 2019-12-04 東芝ライテック株式会社 照明システム
CN111699581B (zh) 2018-02-15 2023-07-18 株式会社村田制作所 层叠电极体的制造装置
CN111698815B (zh) * 2020-05-14 2021-08-03 大茂伟瑞柯车灯有限公司 基于升压和降压集成电路实现led电压自适应的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007080771A (ja) * 2005-09-16 2007-03-29 Nec Lighting Ltd 照明用低圧電源回路、照明装置および照明用低圧電源出力方法
US7550934B1 (en) * 2008-04-02 2009-06-23 Micrel, Inc. LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response
CN101742758A (zh) * 2008-11-27 2010-06-16 台达电子工业股份有限公司 具有调光功能的照明驱动系统
CN102238773A (zh) * 2010-04-30 2011-11-09 奥斯兰姆有限公司 Led驱动方法和系统
CN201839477U (zh) * 2010-05-19 2011-05-18 成都芯源系统有限公司 Led驱动电路及灯具
CN101925230B (zh) * 2010-07-29 2012-12-26 福建捷联电子有限公司 高效率低功耗低成本led驱动电源
US8593076B2 (en) * 2010-08-18 2013-11-26 Lutron Electronics Co., Inc. Electronic dimming ballast having advanced boost converter control
JP2012049273A (ja) * 2010-08-26 2012-03-08 Toshiba Lighting & Technology Corp 直流電源装置およびｌｅｄランプシステム
US20120287685A1 (en) * 2011-05-09 2012-11-15 Infineon Technologies Ag Converter
US8569963B2 (en) * 2011-06-17 2013-10-29 Intersil Americas Inc. Cascade boost and inverting buck converter with independent control
CN102612224B (zh) * 2012-03-01 2015-09-23 杭州乐图光电科技有限公司 一种mr16led灯驱动电路、驱动方法以及应用其的mr16led灯照明系统
CN202721879U (zh) * 2012-08-10 2013-02-06 深圳市九洲光电科技有限公司 一种led电源
CN203233576U (zh) * 2013-04-15 2013-10-09 浙江生辉照明有限公司 一种led照明装置的驱动电路

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2916623A4 (fr) 2016-07-13
US9226352B2 (en) 2015-12-29
US20150002038A1 (en) 2015-01-01
WO2014169507A1 (fr) 2014-10-23
CN103313469A (zh) 2013-09-18
CN103313469B (zh) 2015-12-09
EP2916623A1 (fr) 2015-09-09

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